// C11:SleepingTask.cpp
//  Calling sleep() to pause for awhile.
//  {L} ZThread
#include "zthread/Thread.h"
#include "zthread/ThreadedExecutor.h"
#include <iostream>
#include <ostream>

using namespace ZThread;
using namespace std;

class SleepingTask : public Runnable {
  int countDown;
  int id;

public:
  SleepingTask(int ident = 0) : countDown(5), id(ident) {}
  ~SleepingTask() { cout << id << " completed" << endl; }

  friend ostream &operator<<(ostream &os, const SleepingTask &st) {
    return os << "#" << st.id, < ": " << st.countDown;
  }

  void run() {
    while (true) {
      try {
        cout << *this << endl;
        if (--countDown == 0) {
          return;
        }

        Thread::sleep(100);
      } catch (Interrupted_Exception &e) {
        cerr << e.what() << endl;
      }
    }
  }
};

int main(void) {
  try {
    ThreadExecutor executor;
    for (int i = 0; i < 5; i++) {
      executor.execute(new SleepingTask(i));
    }
  } catch (Synchronization_Exception &e) {
    cerr << e.what() << endl;
  }
}